Except as provided in GPM 602.2, Pre-Award Costs, GPM 602.3, Post-Expiration Costs,or GPM 617, Publication, Documentation and Dissemination, expenditures may not be charged prior to the effective date or subsequent to the expiration date under an NSF cost reimbursement grant.
The ODF file extension is known as OpenDocument Formula which was created by OpenOffice.org Math. It is a file format that saves the text used for creating the formula as well as mathematical equation. Formatted results can be printed to a .pdf file. They are based on the OASIS OpenDocument standard.
The .odt file extension is given to office document text files that have been created in the OpenOffice and StarOffice word processing applications. These applications use the the OASIS OpenDocument XML standard, which allows users to use documents across multiple operating systems and applications. The OpenOffice and StarOffice applications are freeware alternatives to the Microsoft Office Suite.